Highlights: Roger Federer, Alexander Zverev Advance To Halle Final 2017

Watch highlights of Roger Federer and Alexander Zverev advancing to the Gerry Weber Open final on Saturday. Watch live matches at tennistv.com. Getty Images photo. SUBSCRIBE YouTube Channel: http://bit.ly/2dj6EhW DISCOVER Online: http://www.atpworldtour.com/ Mobile: http://www.myatp.com/ FOLLOW THE ATP WORLD TOUR Check live scores: http://www.atpworldtour.com/en/scores View the latest rankings: http://www.atpworldtour.com/en/rankings Meet the players: http://www.atpworldtour.com/en/players Follow the tournaments: http://www.atpworldtour.com/en/tournaments Catch up on tennis news: http://www.atpworldtour.com/en/news JOIN THE CONVERSATION! Like us on Facebook: https://www.facebook.com/ATPWorldTour/ Follow us on Twitter: https://twitter.com/ATPWorldTour Follow us on Instagram: https://www.instagram.com/atpworldtour/ Follow us on Google+: https://plus.google.com/+ATPWorldTour